[PATCH v8 0/9] Add support MediaTek USB3 DRD driver

[Chunfeng Yun]

These patches introduce the MediaTek USB3 Dual-Role Controller
driver.
The driver can be configured as Peripheral only and Host only
(based on xHCI) modes, and it's ported from Linux Kernel 5.8-rc1

v8 changes suggested by Bin:
    1. modify Kconfig and mt8512 defconfig
    2. merge [v7 8/10] and [v7 9/10]
    3. modify some commit log

v7 changes:
    1. use xhci quirk flag XHCI_MTK_HOST

v6 changes:
    1. modify commit message of [4/10]

v5 changes:
    1. change condition of readl_poll_timeout() when check clocks
    2. add xhci-mtk.c and myself as maintainer for MTK USB

v4 changes:
    1. [4/10], [9/10] and [10/10] are new patches
    2. add a glue driver
    3. add host driver and rebuild host flow
    4. support force_vbus mode for device
    5. update bindings to support glue driver

v3 changes:
    1. add patch [5/7]
    2. add udc_set_speed()
    3. simplify some code flow

v2 changes:
    1. simplify QMU operations

Chunfeng Yun (9):
  dt-binding: usb: add bindings for some common properties
  dt-bindings: usb: mtu3: add bindings for MediaTek USB3 DRD
  usb: add USB_SPEED_SUPER_PLUS
  usb: common: add define of usb_speed_string()
  usb: add MediaTek USB3 DRD driver
  usb: gadget: Add bcdDevice for the MTU3 USB Gadget Controller
  arm: dts: mt8512: add usb related nodes
  configs: mt8512: enable fastboot and USB host related configs
  MAINTAINERS: add USB driver to ARM MEDIATEK

 MAINTAINERS                                   |   3 +
 Makefile                                      |   1 +
 arch/arm/dts/mt8512-bm1-emmc.dts              |  34 +
 arch/arm/dts/mt8512.dtsi                      |  49 +-
 configs/mt8512_bm1_emmc_defconfig             |  26 +
 doc/device-tree-bindings/usb/generic.txt      |  31 +
 .../usb/mediatek,mtu3.txt                     |  79 ++
 drivers/usb/Kconfig                           |   2 +
 drivers/usb/common/common.c                   |   8 +
 drivers/usb/gadget/gadget_chips.h             |   8 +
 drivers/usb/mtu3/Kconfig                      |  44 +
 drivers/usb/mtu3/Makefile                     |  11 +
 drivers/usb/mtu3/mtu3.h                       | 423 ++++++++
 drivers/usb/mtu3/mtu3_core.c                  | 838 ++++++++++++++++
 drivers/usb/mtu3/mtu3_dr.h                    |  52 +
 drivers/usb/mtu3/mtu3_gadget.c                | 686 +++++++++++++
 drivers/usb/mtu3/mtu3_gadget_ep0.c            | 933 ++++++++++++++++++
 drivers/usb/mtu3/mtu3_host.c                  | 141 +++
 drivers/usb/mtu3/mtu3_hw_regs.h               | 515 ++++++++++
 drivers/usb/mtu3/mtu3_plat.c                  | 368 +++++++
 drivers/usb/mtu3/mtu3_qmu.c                   | 504 ++++++++++
 drivers/usb/mtu3/mtu3_qmu.h                   |  37 +
 include/linux/usb/ch9.h                       |   5 +-
 23 files changed, 4793 insertions(+), 5 deletions(-)
 create mode 100644 doc/device-tree-bindings/usb/generic.txt
 create mode 100644 doc/device-tree-bindings/usb/mediatek,mtu3.txt
 create mode 100644 drivers/usb/mtu3/Kconfig
 create mode 100644 drivers/usb/mtu3/Makefile
 create mode 100644 drivers/usb/mtu3/mtu3.h
 create mode 100644 drivers/usb/mtu3/mtu3_core.c
 create mode 100644 drivers/usb/mtu3/mtu3_dr.h
 create mode 100644 drivers/usb/mtu3/mtu3_gadget.c
 create mode 100644 drivers/usb/mtu3/mtu3_gadget_ep0.c
 create mode 100644 drivers/usb/mtu3/mtu3_host.c
 create mode 100644 drivers/usb/mtu3/mtu3_hw_regs.h
 create mode 100644 drivers/usb/mtu3/mtu3_plat.c
 create mode 100644 drivers/usb/mtu3/mtu3_qmu.c
 create mode 100644 drivers/usb/mtu3/mtu3_qmu.h

-- 
2.18.0